>From psarc-intern-list-request at sun.com Tue Oct 2 03:04:11 2007 >Date: Tue, 02 Oct 2007 03:03:09 -0700 (PDT) >From: Don Cragun <don.cragun at sun.com> >Subject: Re: lofi(7D) compression support [PSARC/2007/569 FastTrack timeout > 10/08/2007] >To: Alok.Aggarwal at sun.com >Cc: PSARC-ext at sun.com >MIME-version: 1.0 >Content-transfer-encoding: 7BIT >X-PMX-Version: 5.2.0.264296 >X-PMX-Version: 5.2.0.264296 > >>Command Changes >> lofiadm(1M) will take the following additional arguments - >> >> -C Compress the file with a specified compression algorithm >> or with the default compression algorithm if one isn't >> specified. The only supported compression algorithm at this >> time is gzip which is also the default. >> >> -s The segment size to use to divide the file being compressed. >> If no segment size is specified, a default segment size of >> 128k is used. >> > >Optional option arguments are not allowed by the utility syntax >guidelines, and all of your examples show option arguments for both of >these options even though they use the default values. Please drop the >statements in both of these option descriptions that specify default >values and specify that the option arguments are optional.
I think the last sentence above could be misinterpreted. I mean: Please drop the statement in both of these option descriptions that specify default values and drop the statement in both of these option descriptions that talk about what happens if the option argument is not specified. > >Since the -s segment size option argument is not "just a number", >please also clearly specify the formats accepted and the allowed range >of segment sizes. > > - Don > > ... ... ... >> >> Examples: >> >> 1. Compress a file with gzip >> >> # lofiadm -C gzip /export/home/solaris.iso >> >> 2. Compress a file with gzip and compress it in 64k chunks >> >> # lofiadm -C gzip -s 64k /export/home/solaris.iso > ... ... ... >
